Home / 140,831.35-211,247.18-35,650.31

Finding the Fourth Proportional to 140,831.35, 211,247.18 and 35,650.31

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Solution

The fourth proportional to 140,831.35, 211,247.18 and 35,650.31 is: 53,475.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,831.35 : 211,247.18 = 35,650.31 : x
  2. Step 2: Convert to fraction form
    140,831.35/211,247.18 = 35,650.31/x
  3. Step 3: Cross multiply
    140,831.35x = 211,247.18 × 35,650.31
  4. Step 4: Simplify right side
    140,831.35x = 7,531,027,453.63
  5. Step 5: Solve for x
    x = 7,531,027,453.63/140,831.35
  6. Step 6: Final answer
    x = 53,475.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.